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Finding the Fourth Proportional to 563,875.72, 777,934.98 and 359,934.28

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Solution

The fourth proportional to 563,875.72, 777,934.98 and 359,934.28 is: 496,573.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,875.72 : 777,934.98 = 359,934.28 : x
  2. Step 2: Convert to fraction form
    563,875.72/777,934.98 = 359,934.28/x
  3. Step 3: Cross multiply
    563,875.72x = 777,934.98 × 359,934.28
  4. Step 4: Simplify right side
    563,875.72x = 280,005,466,913.11
  5. Step 5: Solve for x
    x = 280,005,466,913.11/563,875.72
  6. Step 6: Final answer
    x = 496,573.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.